Home / 161,864.38-223,293.45-108,162.58

Finding the Fourth Proportional to 161,864.38, 223,293.45 and 108,162.58

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Solution

The fourth proportional to 161,864.38, 223,293.45 and 108,162.58 is: 149,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,864.38 : 223,293.45 = 108,162.58 : x
  2. Step 2: Convert to fraction form
    161,864.38/223,293.45 = 108,162.58/x
  3. Step 3: Cross multiply
    161,864.38x = 223,293.45 × 108,162.58
  4. Step 4: Simplify right side
    161,864.38x = 24,151,995,649.10
  5. Step 5: Solve for x
    x = 24,151,995,649.10/161,864.38
  6. Step 6: Final answer
    x = 149,211.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.